Fun Facts Fun Fact: Difference Between Identical and Fraternal Twins Posted by Adam (Neko Random) on February 1, 2022 The reason some twins are identical is that because the original zygote cell split into two which formed two embryos. Fraternal twins are formed from two separate eggs. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading… Related